Solar System MCQs with answers Page - 43

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Q. What is the main reason for Mercury’s weak magnetic field?

  • (A) Lack of core
  • (B) Slow rotation
  • (C) Thin crust
  • (D) Frozen core

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Q. The term 'wrinkle ridges' on Mercury refers to:

  • (A) Volcanic cracks
  • (B) Surface folds from cooling
  • (C) River channels
  • (D) Fault lines

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Q. Which of the following is NOT true about Mercury?

  • (A) It has no moons
  • (B) It has polar ice deposits
  • (C) It has a thick atmosphere
  • (D) It rotates three times every two orbits

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Q. Which of the following best describes Mercury’s orbit?

  • (A) Circular and stable
  • (B) Highly elliptical and fast
  • (C) Retrograde
  • (D) Inclined and slow

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Q. Which side of Mercury experiences longer daylight?

  • (A) Both sides equally
  • (B) Side facing the Sun at perihelion
  • (C) Side opposite to Sun
  • (D) It varies randomly

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Q. What is the color of Mercury's sky during daytime?

  • (A) Blue
  • (B) Red
  • (C) Black
  • (D) Green

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Q. Which characteristic makes Mercury unique among terrestrial planets?

  • (A) It has no iron core
  • (B) It has the largest core relative to its size
  • (C) It has a thick atmosphere
  • (D) It has many moons

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Q. Which phenomenon can be observed from Earth when Mercury passes between Earth and the Sun?

  • (A) Solar eclipse
  • (B) Transit of Mercury
  • (C) Opposition
  • (D) Lunar eclipse

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Q. Mercury's dayside can reach temperatures of:

  • (A) 100°C
  • (B) 200°C
  • (C) 430°C
  • (D) 300°C

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Q. Mercury's surface is mainly composed of:

  • (A) Iron and nickel only
  • (B) Silicate rocks and metals
  • (C) Methane ice
  • (D) Frozen nitrogen
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